The D400 Ductile Iron Municipal Drainage Grate
The D400 Grade Ductile Iron Municipal Drainage Grate Cover is a robust infrastructure component tailored to meet the demanding requirements of urban and municipal drainage systems. Produced in strict adherence to the GB/T23858-2009 standard, this grate cover is built to deliver sustained performance in high traffic settings, positioning it as a dependable option for city planners, construction teams, and maintenance personnel. 1.Crafted from premium ductile iron, this product offers superior strength and impact resistance compared to conventional cast iron alternatives. Its D400 load classification enables it to safely bear the weight of heavy vehicles, such as trucks, buses, and delivery vans —an essential feature for installations on busy urban roads, public parking areas, and municipal thoroughfares. The grate’s surface incorporates a textured pattern that boosts slip resistance, mitigating accident risks for both pedestrians and vehicles, even in wet, snowy, or icy conditi…
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